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ASUS P2B User’s Manual34
IV. BIOS
Flash Memory Writer
IV. BIOS SOFTWARE
Flash Memory Writer Utility
This motherboard has an onboard SCSI BIOS and boot virus protection and therefore, re-
quires a 2Mbit flash ROM.
AFLASH.EXE: This is the Flash Memory Writer utility that updates the BIOS by uploading
a new BIOS file to the 2Mbit programmable flash ROM chip on the motherboard. To deter-
mine the BIOS version of your motherboard, check the last four numbers of the code dis-
played on the upper left-hand corner of your screen during bootup. Larger numbers represent
a newer BIOS file. This file works only in DOS mode.
NOTE: The following screen displays are provided as examples only and may not reflect the
screen contents displayed on your system.
Main Menu
1. Save Current BIOS To File
This option allows you to save a
copy of the original motherboard
BIOS in case you need to reinstall
it. It is recommended that you save
AFLASH.EXE and the BIOS file
to a bootable floppy disk.
To save your current BIOS, type
[1] at the Main Menu and then
press <Enter>. The Save Current
BIOS To File screen appears.
IMPORTANT! If “unknown” is displayed after Flash Memory:, the memory chip is
either not programmable or is not supported by the ACPI BIOS and therefore, cannot be
programmed by the Flash Memory Writer utility.
Type a filename and the path, for example, A:\440BX-1 and then press <Enter>.